/* ============================================
 * DreamLab Design System — Shared Tokens
 * Used by both React marketing site and Leptos forum
 *
 * Canonical source: src/styles/design-tokens.css
 * Forum copy: community-forum-rs/crates/forum-client/design-tokens.css
 * ============================================ */

/* -- Color Tokens --------------------------------- */

:root {
  /* Zone / track accent colors */
  --dl-accent-green: 34, 197, 94;        /* Fairfield Family / Cyber & Trust */
  --dl-accent-purple: 168, 85, 247;      /* Minimoonoir / Immersive & XR */
  --dl-accent-pink: 236, 72, 153;        /* DreamLab / Creative Tech */
  --dl-accent-sky: 56, 189, 248;         /* AI Agents / AI & Autonomous */
  --dl-accent-amber: 245, 158, 11;       /* Enterprise Innovation / Brand primary */
  --dl-accent-blue: 96, 165, 250;        /* Engineering / Deep-tech */

  /* Surface & glass primitives */
  --dl-surface-dark: #111827;
  --dl-card-bg: rgba(31, 41, 55, 0.5);
  --dl-card-border: rgba(55, 65, 81, 0.5);
  --dl-glass-bg: rgba(17, 24, 39, 0.8);
  --dl-glass-border: rgba(55, 65, 81, 0.3);

  /* Glow intensities */
  --dl-glow-ambient: 0 0 20px rgba(var(--dl-accent-amber), 0.15);
  --dl-glow-strong: 0 0 30px rgba(var(--dl-accent-amber), 0.25);
}

/* -- Glass Card ----------------------------------- */

.glass-card {
  background: var(--dl-card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--dl-card-border);
  border-radius: 12px;
}

.glass-card-interactive {
  background: var(--dl-card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--dl-card-border);
  border-radius: 12px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
  cursor: pointer;
}

.glass-card-interactive:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 0 24px rgba(var(--dl-accent-amber), 0.12),
              0 8px 32px rgba(0, 0, 0, 0.3);
  border-color: rgba(var(--dl-accent-amber), 0.3);
}

.glass-card-interactive:active {
  transform: translateY(-1px) scale(0.99);
}

/* -- Mesh Background ------------------------------ */

.mesh-bg {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(var(--dl-accent-amber), 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(var(--dl-accent-blue), 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(var(--dl-accent-purple), 0.03) 0%, transparent 50%),
    var(--dl-surface-dark);
  animation: dl-mesh-drift 20s ease-in-out infinite alternate;
}

@keyframes dl-mesh-drift {
  0% { background-position: 0% 0%, 100% 0%, 50% 100%; }
  100% { background-position: 100% 100%, 0% 100%, 50% 0%; }
}

/* -- Aurora Shimmer ------------------------------- */

.aurora-shimmer {
  position: relative;
  overflow: hidden;
}

.aurora-shimmer::after {
  content: '';
  position: absolute;
  inset: -50%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(var(--dl-accent-amber), 0.04) 40%,
    rgba(var(--dl-accent-blue), 0.06) 50%,
    rgba(var(--dl-accent-purple), 0.04) 60%,
    transparent 70%
  );
  animation: dl-aurora-sweep 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes dl-aurora-sweep {
  0% { transform: translateX(-100%) rotate(30deg); }
  100% { transform: translateX(200%) rotate(30deg); }
}

/* -- Ambient Orbs --------------------------------- */

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
  animation: dl-ambient-float 20s ease-in-out infinite,
             dl-ambient-fade-in 2s ease-out forwards;
}

.ambient-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(var(--dl-accent-amber), 0.08) 0%, transparent 70%);
  top: -10%;
  left: -5%;
  animation-delay: 0s;
}

.ambient-orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--dl-accent-blue), 0.06) 0%, transparent 70%);
  bottom: 5%;
  right: -8%;
  animation-delay: -7s;
  animation-duration: 25s;
}

.ambient-orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(var(--dl-accent-amber), 0.05) 0%, transparent 70%);
  top: 40%;
  right: 15%;
  animation-delay: -13s;
  animation-duration: 30s;
}

@keyframes dl-ambient-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-15px, 25px) scale(0.95); }
  75% { transform: translate(20px, 10px) scale(1.02); }
}

@keyframes dl-ambient-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* -- Ambient Breathing Glow ----------------------- */

@keyframes dl-ambient-breathe {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.08); }
}

.animate-ambient-breathe {
  animation: dl-ambient-breathe 6s ease-in-out infinite;
}

/* -- Gradient Border (Animated) ------------------- */

.gradient-border {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--dl-accent-amber), 0.6),
    rgba(var(--dl-accent-amber), 0.2),
    rgba(var(--dl-accent-blue), 0.4),
    rgba(var(--dl-accent-amber), 0.6)
  );
  background-size: 300% 300%;
  animation: dl-gradient-border-rotate 4s ease-in-out infinite;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  pointer-events: none;
}

@keyframes dl-gradient-border-rotate {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* -- Candy Gradient Text -------------------------- */

.candy-gradient {
  background: linear-gradient(
    135deg,
    rgb(var(--dl-accent-amber)) 0%,
    rgb(245, 158, 11) 20%,
    rgb(249, 115, 22) 40%,
    rgb(239, 68, 68) 60%,
    rgb(var(--dl-accent-purple)) 80%,
    rgb(var(--dl-accent-amber)) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: dl-candy-shift 5s ease-in-out infinite;
}

@keyframes dl-candy-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* -- Brand Gradient Text (Amber) ------------------ */

.gradient-text {
  background: linear-gradient(135deg,
    rgb(var(--dl-accent-amber)),
    rgb(245, 158, 11),
    rgb(217, 119, 6)
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* -- Skeleton Loading ----------------------------- */

.skeleton {
  background: linear-gradient(90deg, #1f2937 25%, #374151 50%, #1f2937 75%);
  background-size: 200% 100%;
  animation: dl-shimmer 1.5s ease-in-out infinite;
  border-radius: 6px;
}

@keyframes dl-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* -- Hover Lift ----------------------------------- */

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--dl-glow-ambient);
}

/* -- Neon Pulse (Badge / Notification) ------------ */

.neon-pulse {
  position: relative;
}

.neon-pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: rgba(var(--dl-accent-amber), 0.4);
  filter: blur(6px);
  opacity: 0;
  animation: dl-neon-throb 2s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes dl-neon-throb {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

/* -- Scrollbar Utilities -------------------------- */

.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scrollbar-none::-webkit-scrollbar {
  display: none;
}

/* -- Fade-in Utility ------------------------------ */

@keyframes dl-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: dl-fade-in 0.3s ease-out;
}

/* -- Reduced Motion ------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .ambient-orb,
  .aurora-shimmer::after,
  .gradient-border::before,
  .neon-pulse::after {
    animation: none !important;
  }

  .ambient-orb {
    opacity: 0.5;
  }

  .animate-ambient-breathe {
    animation: none;
  }

  .glass-card-interactive:hover {
    transform: none;
  }

  .candy-gradient,
  .gradient-text {
    animation: none;
  }

  .skeleton {
    animation: none;
    background: #1f2937;
  }
}